mojo: first take on removing mojo_main_{chromium,standalone}.

mojo/examples/keyboard/keyboard.cc

Index: mojo/examples/keyboard/keyboard.cc
diff --git a/mojo/examples/keyboard/keyboard.cc b/mojo/examples/keyboard/keyboard.cc
index e033627610ef8d51aa831ba34184fc99b870d331..01f73b2e0eac475c8a46c8b4b8a4268a92879114 100644
--- a/mojo/examples/keyboard/keyboard.cc
+++ b/mojo/examples/keyboard/keyboard.cc
@@ -8,8 +8,10 @@
 #include "mojo/examples/keyboard/keyboard.mojom.h"
 #include "mojo/examples/keyboard/keyboard_delegate.h"
 #include "mojo/examples/keyboard/keyboard_view.h"
+#include "mojo/public/c/system/main.h"
 #include "mojo/public/cpp/application/application_connection.h"
 #include "mojo/public/cpp/application/application_delegate.h"
+#include "mojo/public/cpp/application/application_runner_chromium.h"
 #include "mojo/public/cpp/application/interface_factory_impl.h"
 #include "mojo/services/public/cpp/view_manager/view.h"
 #include "mojo/services/public/cpp/view_manager/view_manager.h"
@@ -137,10 +139,9 @@ void KeyboardServiceImpl::SetTarget(uint32_t view_id) {
 }
 
 }  // namespace examples
+}  // namespace mojo
 
-// static
-ApplicationDelegate* ApplicationDelegate::Create() {
-  return new examples::Keyboard;
+MojoResult MojoMain(MojoHandle shell_handle) {
+  mojo::ApplicationRunnerChromium runner(new mojo::examples::Keyboard);
+  return runner.Run(shell_handle);
 }
-
-}  // namespace mojo